streetlights

Scientists are using photographs taken by astronauts aboard the International Space Station (ISS) to reliably measure the amount of light pollution worldwide and to produce a global colour map of the Earth at night. The total cost of the energy consumption for streetlights is estimated by the study to be 6300 million euros/year in the European Union.

International Dark Sky Week is an annual worldwide event, held 13th—19th April this year. A key component of Global Astronomy Month, find out what practical measures you can take to help reclaim the stars.

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